CVE-2026-43704 - Vulnerability Details - OpenCVE

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious web extension may be able to cause an unexpected process crash.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
https://support.apple.com/en-us/127594
https://support.apple.com/en-us/127595
https://support.apple.com/en-us/127685

History

Mon, 29 Jun 2026 22:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 29 Jun 2026 21:45:00 +0000

Type	Values Removed	Values Added
Title		Use-After-Free Vulnerability in Apple Web Browsers Allowing Malicious Extensions to Crash the Browser Process
Weaknesses		CWE-416

Mon, 29 Jun 2026 20:15:00 +0000

Type	Values Removed	Values Added
Description		A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious web extension may be able to cause an unexpected process crash.
References		https://support.apple.com/en-us/127594 https://support.apple.com/en-us/127595 https://support.apple.com/en-us/127685

MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-06-29T19:42:55.246Z

Updated: 2026-06-29T21:44:04.195Z

Reserved: 2026-05-01T22:46:21.643Z

Link: CVE-2026-43704

Vulnrichment

Updated: 2026-06-29T21:43:54.593Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-06-29T21:30:03Z

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